The following data are the monthly salaries y and the grade point averages x for students who
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The following data are the monthly salaries y and the grade point averages x for students who obtained a bachelor’s degree in business administration with a major in information systems. The estimated regression equation for these data is yˆ 1790.5 581.1x.
a. Compute SST, SSR, and SSE.
b. Compute the coefficient of determination r2 . Comment on the goodness of fit.
c. What is the value of the sample correlation coefficient?
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Statistics For Business And Economics
ISBN: 9780324783247
11th Edition
Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson
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